When constructing an isopach map you

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Study for the ASBOG Fundamentals of Geology exam. Access flashcards, multiple-choice questions, and understand key geologic principles. Prepare confidently for your exam!

Multiple Choice

When constructing an isopach map you

Explanation:
Isopach maps show how thick a sedimentary bed is across an area by drawing contour lines of equal thickness. To construct one, you measure or estimate the thickness between the bed’s top and bottom surfaces at various locations (using boreholes, well logs, cross-sections, etc.) and then interpolate to create a continuous thickness field. This is different from mapping surface topography, which is about elevations of the land surface, or from mapping the dip direction, which describes the tilt orientation of the beds rather than how thick they are. So, building an isopach map involves contouring the thickness of a bed.

Isopach maps show how thick a sedimentary bed is across an area by drawing contour lines of equal thickness. To construct one, you measure or estimate the thickness between the bed’s top and bottom surfaces at various locations (using boreholes, well logs, cross-sections, etc.) and then interpolate to create a continuous thickness field. This is different from mapping surface topography, which is about elevations of the land surface, or from mapping the dip direction, which describes the tilt orientation of the beds rather than how thick they are. So, building an isopach map involves contouring the thickness of a bed.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy